Backend Developer (Golang)
Summary
Builds and maintains backend services for Web3 applications using Go, integrates with blockchain networks, and develops smart contracts in Solidity.
Proficiency in Solidity for Ethereum smart contract development.
Experience with other blockchain platforms (e.g., Binance Smart Chain, Polkadot, Solana, Cosmos, or Layer 2 solutions like Polygon/zkSync).
Familiarity with Rust, Go, or C++ for non-EVM chains (e.g., Solana, NEAR, or Polkadot).
Knowledge of decentralized storage systems (IPFS, Filecoin, Arweave).
Strong experience with backend languages/frameworks (e.g., Node.js, Python, Java, or Ruby).
Expertise in building RESTful/gRPC APIs and integrating with blockchain networks.
Familiarity with database systems (SQL, NoSQL) and decentralized databases (e.g., OrbitDB).
Web3 Tools & Libraries
- Hands-on experience with Web3.js, Ethers.js, Hardhat, Truffle, or Foundry.
- Knowledge of The Graph for indexing blockchain data.
- Experience with oracle solutions (Chainlink, Band Protocol).
DevOps & Infrastructure
- Proficiency with Docker, Kubernetes, and CI/CD pipelines.
- Experience deploying nodes (e.g., Ethereum, Bitcoin, or others) and managing blockchain infrastructure.
- Familiarity with cloud platforms (AWS, GCP, Azure) and decentralized cloud services (e.g., Fleek, Akash).
Security
- Understanding of smart contract security best practices (e.g., reentrancy, overflow/underflow).
- Experience with auditing tools like Slither, MythX, or CertiK.
Education & Experience
- Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent practical experience).
- 3+ years of backend development experience, with 1+ years focused on Web3/blockchain projects.
- Portfolio of deployed smart contracts or contributions to open-source Web3 projects (provide GitHub/GitLab links).
Soft Skills
- Strong problem-solving skills and adaptability to rapidly evolving technologies.
- Passion for blockchain, decentralization, and the future of Web3.
- Excellent communication skills for collaborating with frontend developers, designers, and stakeholders.
Nice-to-Have
- Experience with DeFi protocols, NFTs, DAOs, or tokenomics design.
- Knowledge of zero-knowledge proofs (zk-SNARKs, zk-STARKs) or Layer 2 scaling solutions.
- Contributions to blockchain communities (e.g., Ethereum Improvement Proposals, governance participation).
- Certifications like Certified Blockchain Developer (CBD) or Blockchain Security certifications.